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vdpau: use multiple buffers to speed up rendering

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This commit is contained in:
Christian König 2011-05-07 15:28:04 +02:00
parent cd13ec253a
commit e06a09ac37
2 changed files with 27 additions and 9 deletions
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32
src/gallium/state_trackers/vdpau/decode.c
View file

@ -45,6 +45,7 @@ vlVdpDecoderCreate(VdpDevice device,
vlVdpDevice *dev;
vlVdpDecoder *vldecoder;
VdpStatus ret;
unsigned i;
VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Creating decoder\n");
@ -83,10 +84,14 @@ vlVdpDecoderCreate(VdpDevice device,
goto error_decoder;
}
vldecoder->buffer = vldecoder->decoder->create_buffer(vldecoder->decoder);
if (!vldecoder->buffer) {
ret = VDP_STATUS_ERROR;
goto error_buffer;
vldecoder->cur_buffer = 0;
for (i = 0; i < VL_NUM_DECODE_BUFFERS; ++i) {
vldecoder->buffer[i] = vldecoder->decoder->create_buffer(vldecoder->decoder);
if (!vldecoder->buffer[i]) {
ret = VDP_STATUS_ERROR;
goto error_buffer;
}
}
*decoder = vlAddDataHTAB(vldecoder);
@ -100,9 +105,12 @@ vlVdpDecoderCreate(VdpDevice device,
return VDP_STATUS_OK;
error_handle:
vldecoder->buffer->destroy(vldecoder->buffer);
error_buffer:
for (i = 0; i < VL_NUM_DECODE_BUFFERS; ++i)
if (vldecoder->buffer[i])
vldecoder->buffer[i]->destroy(vldecoder->buffer[i]);
vldecoder->decoder->destroy(vldecoder->decoder);
error_decoder:
@ -114,6 +122,7 @@ VdpStatus
vlVdpDecoderDestroy(VdpDecoder decoder)
{
vlVdpDecoder *vldecoder;
unsigned i;
VDPAU_MSG(VDPAU_TRACE, "[VDPAU] Destroying decoder\n");
@ -121,7 +130,10 @@ vlVdpDecoderDestroy(VdpDecoder decoder)
if (!vldecoder)
return VDP_STATUS_INVALID_HANDLE;
vldecoder->buffer->destroy(vldecoder->buffer);
for (i = 0; i < VL_NUM_DECODE_BUFFERS; ++i)
if (vldecoder->buffer[i])
vldecoder->buffer[i]->destroy(vldecoder->buffer[i]);
vldecoder->decoder->destroy(vldecoder->decoder);
FREE(vldecoder);
@ -234,7 +246,11 @@ vlVdpDecoderRender(VdpDecoder decoder,
switch (vldecoder->decoder->profile) {
case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
return vlVdpDecoderRenderMpeg2(vldecoder->decoder, vldecoder->buffer, vlsurf->video_buffer,
++vldecoder->cur_buffer;
vldecoder->cur_buffer %= VL_NUM_DECODE_BUFFERS;
return vlVdpDecoderRenderMpeg2(vldecoder->decoder,
vldecoder->buffer[vldecoder->cur_buffer],
vlsurf->video_buffer,
(VdpPictureInfoMPEG1Or2 *)picture_info,
bitstream_buffer_count,bitstream_buffers);
break;

4
src/gallium/state_trackers/vdpau/vdpau_private.h
View file

@ -45,6 +45,7 @@
#define TOSTRING(x) QUOTEME(x)
#define INFORMATION_STRING TOSTRING(INFORMATION)
#define VL_HANDLES
#define VL_NUM_DECODE_BUFFERS 4
static inline enum pipe_video_chroma_format
ChromaToPipe(VdpChromaType vdpau_type)
@ -213,7 +214,8 @@ typedef struct
{
vlVdpDevice *device;
struct pipe_video_decoder *decoder;
struct pipe_video_decode_buffer *buffer;
struct pipe_video_decode_buffer *buffer[VL_NUM_DECODE_BUFFERS];
unsigned cur_buffer;
} vlVdpDecoder;
typedef uint32_t vlHandle;